CN206785390U - A kind of guide table structure for facilitating the excessively middle ventilating shaft of shield machine - Google Patents

A kind of guide table structure for facilitating the excessively middle ventilating shaft of shield machine Download PDF

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Publication number
CN206785390U
CN206785390U CN201720663590.5U CN201720663590U CN206785390U CN 206785390 U CN206785390 U CN 206785390U CN 201720663590 U CN201720663590 U CN 201720663590U CN 206785390 U CN206785390 U CN 206785390U
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CN
China
Prior art keywords
guide
ventilating shaft
shield
plate
steel plate
Prior art date
Application number
CN201720663590.5U
Other languages
Chinese (zh)
Inventor
王伟
吴罡令
张坤峰
武飞
李永刚
曹铁军
周书剑
Original Assignee
中铁十一局集团城市轨道工程有限公司
中铁十一局集团有限公司
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Application filed by 中铁十一局集团城市轨道工程有限公司, 中铁十一局集团有限公司 filed Critical 中铁十一局集团城市轨道工程有限公司
Priority to CN201720663590.5U priority Critical patent/CN206785390U/en
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Publication of CN206785390U publication Critical patent/CN206785390U/en

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Abstract

The utility model provides a kind of guide table structure for facilitating the excessively middle ventilating shaft of shield machine.The guide table structure is included in the concrete guide table poured on middle ventilating shaft bottom plate, and shield body location directly below is corresponded in concrete guide table upper surface provided with the curved guide groove in section;Left and right walking track is arranged with guide groove, left and right walking track is embedded in concrete guide table, and its orbital plane stretches out the arcwall face of guide groove, and the bottom of two tracks is respectively welded track supporting steel plate, and is fixedly connected by track support bar with ventilating shaft bottom plate;Strip shield body intermediate supports steel plate is installed on the circular arc minimum point line of guide groove, the shield body intermediate supports steel plate bottom is fixedly connected by more first support bars with ventilating shaft bottom plate, and left and right shield body supporting steel plate is symmetrically embedded with the concrete guide table of guide groove both sides.The utility model is simple in construction, easy to use, can make shield machine logical through air pushing and segment assembly mode is quickly and easily by middle ventilating shaft when entering hole.

Description

A kind of guide table structure for facilitating the excessively middle ventilating shaft of shield machine

Technical field

A kind of shield guide table is the utility model is related to, specifically a kind of guide table structure for facilitating the excessively middle ventilating shaft of shield machine.

Background technology

Recently as the fast development in city, city incity urban rail transit construction is more and more, and shield method is fast because constructing Speed, the influence to ground is small and is widely used in the construction of city rail section.Because the region of subway construction is general All in the region that city is relatively bustling, the ambient conditions on its periphery is relative complex, is often passed through during shield-tunneling construction Building.

Ventilating shaft is the passage reserved in building, is mainly used in ventilation or waterproof, and clutch can also be used for escape with disappearing It is anti-.Ventilating shaft is usually to lead to outside from the top plate of basement;During shield-tunneling construction, when running into middle ventilating shaft, it usually needs Shield machine is received from the side of middle ventilating shaft, then originated from opposite side, then starts to tunnel.Due to ventilating shaft, this body structure is answered Miscellaneous, more special along with geographical position is run into ventilating shaft, for example missed the stop for curve when ventilating shaft misses the stop, its radius of turn is smaller, Receive portal and originate portal and angle be present, along with ventilating shaft back-plane design is V words slope, when by this ventilating shaft, shield machine must It must turn and pass through, and existing constructing structure does not ensure that shield machine can be tunneled according to design route, can influence shield The normal of structure machine misses the stop.

The content of the invention

The utility model provides a kind of guide table structure for facilitating the excessively middle ventilating shaft of shield machine according to the deficiencies in the prior art, should Guide table can solve shield machine when by curve ventilating shaft, and horizontal direction curve is missed the stop and vertical direction is asked by the V words slope gradient Topic, ensure that shield function turns to arrive at as requested and originate portal, it is ensured that shield machine can be tunneled according to designed lines, energy Logical through air pushing and segment assembly mode is missed the stop when enough making the shield machine enter hole.

Technical scheme provided by the utility model:A kind of guide table structure for facilitating the excessively middle ventilating shaft of shield machine, it is special Sign is:The guide table structure is included in the concrete guide table poured on middle ventilating shaft bottom plate, in concrete guide table upper table Face corresponds to shield body location directly below and is provided with the curved guide groove in section, before the guide groove is from one end of middle ventilating shaft along shield body Enter track and extend to the middle ventilating shaft other end;Left and right walking track is arranged with guide groove, left and right walking track is embedded in In concrete guide table, its orbital plane stretches out the arcwall face of guide groove, and the bottom of two tracks is respectively welded track supporting steel plate, and leads to Track support bar is crossed to be fixedly connected with ventilating shaft bottom plate;It is provided among strip shield body and props up on the circular arc minimum point line of guide groove Steel plate is supportted, the shield body intermediate supports steel plate bottom passes through the more pre-buried first support bars being cast in concrete and ventilating shaft bottom Plate is fixedly connected, and left and right shield body supporting steel plate, the left and right shield body are symmetrically embedded with the concrete guide table of guide groove both sides Supporting steel plate, arranged along guide groove bearing of trend by polylith square plate, the bottom of every block of steel plate by second support bar with Ventilating shaft bottom plate is fixedly connected.

The utility model preferably technical scheme:The left and right walking track sets guide groove close to the position of notch respectively, 43 rail are used, the angle that the bottom surface of each track of walking is formed with horizontal plane is that a is 30 °.

The utility model preferably technical scheme:The concrete guide table is to pour to form using C30 plain concretes.

The utility model preferably technical scheme:The track supporting steel plate uses thickness as 30mm, 350mm × 250mm Wide steel plate, track support bar use 20H shaped steel, are welded with 300mm × 400mm sizes in its bottom, fixation steel plate thick 20mm, And it is fixedly connected by expansion bolt with ventilating shaft bottom plate.

The utility model preferably technical scheme:The shield body intermediate supports steel plate is using 500mm is wide, the thick elongated steel of 20mm Plate, and jack is reserved in its longitudinal section, first support bar uses reinforcing bar, 300 × 400mm sizes is welded with its bottom, Fixation steel plate thick 20mm, and be fixedly connected by expansion bolt with ventilating shaft bottom plate.

The utility model preferably technical scheme:The left and right shield body supporting steel plate is thick using 20mm, 400 × 400mm Square plate;Second support bar uses reinforcing bar, and its bottom is welded with fixation steel plate, and is consolidated by expansion bolt and ventilating shaft bottom plate Fixed connection.

The utility model is simple in construction, easy to use, and the guide table solves shield machine horizontal direction curve and missed the stop and vertically Direction ensures that shield function turns to arrive at as requested and originates portal by V words slope gradient problem, it is ensured that shield machine can be according to Designed lines are tunneled, and can make shield machine logical through air pushing and segment assembly mode is quickly and easily by middle wind when entering hole Well.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model;

Fig. 2 is top view of the present utility model;

Fig. 3 is use state figure of the present utility model;

Embodiment

The present invention is further described with reference to the accompanying drawings and examples.As shown in Figure 1, Figure 2 and Figure 3 a kind of facilitates shield The guide table structure of the excessively middle ventilating shaft of structure machine, it is characterised in that:The guide table structure, which is included in pour on middle ventilating shaft bottom plate 1, to be formed Concrete guide table 2, the concrete guide table 2 is to pour to form using C30 plain concretes.In the upper surface pair of concrete guide table 2 The location directly below of shield body 11 is answered to be provided with the curved guide groove 3 in section, the guide groove 3 is from one end of middle ventilating shaft along shield body 11 Advance track extends to the middle ventilating shaft other end;Left and right walking track 4,5, left and right walking track are arranged with guide groove 3 4th, 5 it is embedded in concrete guide table 2, two walking tracks set guide groove 3 close to the position of notch respectively, using 43 rail, often The angle that the bottom surface of individual walking track is formed with horizontal plane is that a is 30 °, and its orbital plane stretches out the arcwall face of guide groove 3, two tracks Bottom is respectively welded track supporting steel plate 6, and is fixedly connected by track support bar 7 with ventilating shaft bottom plate 1;In the circle of guide groove 3 Strip shield body intermediate supports steel plate 8 is installed, the bottom of shield body intermediate supports steel plate 8 passes through more on arc minimum point line The reinforcing bar i.e. first support bar 8-1 for being embedded in concrete is fixedly connected with ventilating shaft bottom plate 1, the concrete guide table 2 in the both sides of guide groove 3 On be symmetrically embedded with left and right shield body supporting steel plate 9,10, the left and right shield body supporting steel plate 9,10 is by polylith square plate edge The arrangement of the bearing of trend of guide groove 3, the bottom of every block of steel plate is fixedly connected by second support bar 9-1 with ventilating shaft bottom plate 1.

The utility model is when it is implemented, its track supporting steel plate 6 uses thickness as the wide steel of 30mm, 350mm × 250mm Plate, track support bar 7 use 20H shaped steel, are welded with 300mm × 400mm sizes in its bottom, fixation steel plate thick 20mm, and It is fixedly connected by expansion bolt with ventilating shaft bottom plate 1;The use of shield body intermediate supports steel plate 8 500mm is wide, the thick elongated steel plates of 20mm, And jack is reserved in its longitudinal section, first support bar 8-1 uses reinforcing bar, 300 × 400mm sizes is welded with its bottom, Fixation steel plate thick 20mm, and be fixedly connected by expansion bolt with ventilating shaft bottom plate 1;Left and right shield body supporting steel plate 9,10 is adopted Thick, the 400 × 400mm square plate with 20mm;Second support bar 9-1 uses reinforcing bar, and its bottom is welded with fixation steel plate, and leads to Expansion bolt is crossed to be fixedly connected with ventilating shaft bottom plate 1.

Work progress of the present utility model:

(1) according to design point position construction and installation track support bar 7, shield body intermediate supports steel first on middle ventilating shaft floor Plate 8 and left and right shield body supporting steel plate 9,10, the track support bar 7 have two, correspond to the position that track is walked in every skidding, rail The use of road support bar 7 30mm is thick, the wide steel plates of 350mm × 250mm, and guide table concrete is anchored into using 20H shaped steel@1000 under steel plate It is interior, one 300 × 400mm sizes, 20mm steel plates are connect in every 20H shaped steel back welding, and it is fixed on ventilating shaft with expansion bolt On bottom plate 1;Shield body intermediate supports steel plate 8 is placed in guide table circular arc minimum point, and using 500mm is wide, the thick elongated steel plates of 20mm, longitudinal direction is disconnected A50 reserves jack in face, to prevent that shield machine moves forward during segment assembly, is anchored under steel plate using 20H shaped steel 2000 In guide table concrete, a 300*400mm sizes, 20mm steel plates are connect in every 20H shaped steel back welding, and it is consolidated with expansion bolt It is scheduled on bottom plate;State left and right shield body supporting steel plate 9,10 and be placed in guide table close to originating the positions of section longitudinal direction both sides, its size and pre- Burying spacing is respectively:T=20mm, 400 × 400mm@2000mm;

(2) left and right walking track 4,5, left and right walking rail are installed respectively on two track support bars 7 that construction is completed Road 4,5 uses 43 rail, and it is arranged as depicted in figs. 1 and 2, by every 30 ° of angle arrangements in side, its middle left and right walking track 4,5 3 meters long 43 rail is used in receiving terminal 10,6 meter of 43 rail is used in originating terminal;, can be in left and right walking to prevent track to be broken Track 4,5 both sides set the steel plate brackets of 20@500 to be strengthened;

(3) formwork after the completion of Construction of Steel Structure, casting concrete guide table 2, it is desirable to 43 rail tracks are flooded during concreting Riser, concrete guide table 2 is using the backfill of C30 elements concrete, and shield body scope guide table below 11 is circular arc, and it is circular arc to form a section The guide groove 3 of shape;

For convenience of close mould and concrete placings construction, can also below arcwall face of falling from power 5cm at increase the camber reinforcing bars of Φ 20 and Both sides rail lower steel plate is connected, and is welded and fixed template with bottom plate cage bar using the reinforcing bar@600*500 of φ 14.

Shield machine is received on cutterhead after guide table in starting well, by shield machine with pre- on 200H shaped steel and guide table during segment assembly The shield body supporting steel plate 9,10 buried is welded and fixed;H profile steel and pre-embedded steel slab solder joint are cut open after the completion of assembly, shield machine pushes away forward Enter, H profile steel moves forward with shield machine;After the completion of propulsion, into pipe sheet assembling program, so arrived at repeatedly to shield machine Portal is waited to abolish position.

Claims (6)

  1. A kind of 1. guide table structure for facilitating the excessively middle ventilating shaft of shield machine, it is characterised in that:The guide table structure is included in middle wind The concrete guide table (2) poured on shaft bottom plate (1), corresponded in concrete guide table (2) upper surface immediately below shield body (11) Position is provided with the curved guide groove (3) in section, and the guide groove (3) is prolonged from one end of middle ventilating shaft along shield body (11) advance track Extend the middle ventilating shaft other end;Left and right walking track (4,5) is arranged with guide groove (3), left and right walking track (4,5) is buried It is located in concrete guide table (2), its orbital plane stretches out the arcwall face of guide groove (3), and the bottom of two tracks is respectively welded track branch Steel plate (6) is supportted, and is fixedly connected by track support bar (7) with ventilating shaft bottom plate (1);In the circular arc minimum point line of guide groove (3) On strip shield body intermediate supports steel plate (8) is installed, shield body intermediate supports steel plate (8) bottom pre-buried is poured by more First support bar (8-1) in concrete is fixedly connected with ventilating shaft bottom plate (1), the concrete guide table (2) in guide groove (3) both sides On be symmetrically embedded with left and right shield body supporting steel plate (9,10), the left and right shield body supporting steel plate (9,10) is by polylith square bar Plate arranges along guide groove (3) bearing of trend, and the bottom of every block of steel plate is fixed by second support bar (9-1) and ventilating shaft bottom plate (1) Connection.
  2. A kind of 2. guide table structure for facilitating the excessively middle ventilating shaft of shield machine according to claim 1, it is characterised in that:It is described Left and right walking track (4,5) sets guide groove (3) close to the position of notch respectively, using 43 rail, the bottom of each track of walking The angle that face is formed with horizontal plane is that a is 30 °.
  3. A kind of 3. guide table structure for facilitating the excessively middle ventilating shaft of shield machine according to claim 1, it is characterised in that:It is described mixed It is to pour to form using C30 plain concretes to coagulate native guide table (2).
  4. A kind of 4. guide table structure for facilitating the excessively middle ventilating shaft of shield machine according to claim 1, it is characterised in that:The rail Road supporting steel plate (6) uses thickness, and for 30mm, 350mm × 250mm wide steel plates, track support bar (7) uses 20H shaped steel, at it Bottom is welded with 300mm × 400mm sizes, fixation steel plate thick 20mm, and connects by the way that expansion bolt and ventilating shaft bottom plate (1) are fixed Connect.
  5. A kind of 5. guide table structure for facilitating the excessively middle ventilating shaft of shield machine according to claim 1, it is characterised in that:The shield Body intermediate supports steel plate (8) reserves jack using 500mm is wide, the thick elongated steel plates of 20mm in its longitudinal section, the first support Bar (8-1) uses reinforcing bar, 300 × 400mm sizes, fixation steel plate thick 20mm is welded with its bottom, and pass through expansion bolt It is fixedly connected with ventilating shaft bottom plate (1).
  6. A kind of 6. guide table structure for facilitating the excessively middle ventilating shaft of shield machine according to claim 1, it is characterised in that:It is described Left and right shield body supporting steel plate (9,10) is thick using 20mm, 400 × 400mm square plate;Second support bar (9-1) is also adopted With reinforcing bar, its bottom is welded with fixation steel plate, and is fixedly connected by expansion bolt with ventilating shaft bottom plate (1).
CN201720663590.5U 2017-06-07 2017-06-07 A kind of guide table structure for facilitating the excessively middle ventilating shaft of shield machine CN206785390U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720663590.5U CN206785390U (en) 2017-06-07 2017-06-07 A kind of guide table structure for facilitating the excessively middle ventilating shaft of shield machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720663590.5U CN206785390U (en) 2017-06-07 2017-06-07 A kind of guide table structure for facilitating the excessively middle ventilating shaft of shield machine

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CN206785390U true CN206785390U (en) 2017-12-22

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108442933A (en) * 2018-03-02 2018-08-24 中铁十二局集团有限公司 Shield launching pedestal and shield launching method
CN108756903A (en) * 2018-06-01 2018-11-06 中铁二局集团有限公司 A kind of shield machine crosses the construction method of well
CN109505613A (en) * 2018-12-30 2019-03-22 中铁五局集团电务工程有限责任公司 Originating method in the hole of earth pressure balanced shield, EPBS in small space
CN109577998A (en) * 2018-12-04 2019-04-05 中铁十二局集团有限公司 A kind of construction method that the backfill of shield section piston air duct is missed the stop

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108442933A (en) * 2018-03-02 2018-08-24 中铁十二局集团有限公司 Shield launching pedestal and shield launching method
CN108756903A (en) * 2018-06-01 2018-11-06 中铁二局集团有限公司 A kind of shield machine crosses the construction method of well
CN109577998A (en) * 2018-12-04 2019-04-05 中铁十二局集团有限公司 A kind of construction method that the backfill of shield section piston air duct is missed the stop
CN109577998B (en) * 2018-12-04 2020-10-09 中铁十二局集团有限公司 Construction method for backfilling and station-crossing of piston air duct in shield interval
CN109505613A (en) * 2018-12-30 2019-03-22 中铁五局集团电务工程有限责任公司 Originating method in the hole of earth pressure balanced shield, EPBS in small space

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